Height of Key given Compressive Stress in Key Formula

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Height of Key is defined as the vertical length of the key that is used to transmit the torque produced and to restrict the relative movement between two rotating elements. Check FAQs
h=4Mtdslσc
h - Height of Key?Mt - Transmitted Torque by Keyed Shaft?ds - Diameter of Shaft using Key?l - Length of Key?σc - Compressive Stress in Key?

Height of Key given Compressive Stress in Key Example

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With units
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Here is how the Height of Key given Compressive Stress in Key equation looks like with Values.

Here is how the Height of Key given Compressive Stress in Key equation looks like with Units.

Here is how the Height of Key given Compressive Stress in Key equation looks like.

4.4544Edit=4224500Edit45Edit35Edit128Edit
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Height of Key given Compressive Stress in Key Solution

Follow our step by step solution on how to calculate Height of Key given Compressive Stress in Key?

FIRST Step Consider the formula
h=4Mtdslσc
Next Step Substitute values of Variables
h=4224500N*mm45mm35mm128N/mm²
Next Step Convert Units
h=4224.5N*m0.045m0.035m1.3E+8Pa
Next Step Prepare to Evaluate
h=4224.50.0450.0351.3E+8
Next Step Evaluate
h=0.00445436507936508m
Next Step Convert to Output's Unit
h=4.45436507936508mm
LAST Step Rounding Answer
h=4.4544mm

Height of Key given Compressive Stress in Key Formula Elements

Variables
Height of Key
Height of Key is defined as the vertical length of the key that is used to transmit the torque produced and to restrict the relative movement between two rotating elements.
Symbol: h
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Transmitted Torque by Keyed Shaft
Transmitted Torque by Keyed Shaft is defined as the amount of torque or the rotating power transferred from a shaft using a key into it.
Symbol: Mt
Measurement: TorqueUnit: N*mm
Note: Value should be greater than 0.
Diameter of Shaft using Key
Diameter of Shaft using Key is defined as the external surface diameter of a shaft (a rotating machine element) using a key into it.
Symbol: ds
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Length of Key
The Length of Key is defined as the length of the key which is used to prevent rotation of a machine component or it is the major dimension of the key.
Symbol: l
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Compressive Stress in Key
Compressive Stress in Key is the force per unit area of a key cross-section that is responsible for the deformation of the material such that the volume of the material reduces.
Symbol: σc
Measurement: StressUnit: N/mm²
Note: Value should be greater than 0.

Other formulas in Design of Square and Flat Keys category

​Go Force on Key
F=2Mtds
​Go Torque Transmitted by Keyed Shaft given Force on Keys
Mt=Fds2
​Go Shaft Diameter given Force on Key
ds=2MtF
​Go Shear Stress in given Force on Key
𝜏=Fbkl

How to Evaluate Height of Key given Compressive Stress in Key?

Height of Key given Compressive Stress in Key evaluator uses Height of Key = 4*Transmitted Torque by Keyed Shaft/(Diameter of Shaft using Key*Length of Key*Compressive Stress in Key) to evaluate the Height of Key, Height of Key given Compressive Stress in Key formula is defined as a method to determine the appropriate height of a key in mechanical design, ensuring it can withstand specified compressive stress without failure. This is crucial for the reliability and efficiency of machine components. Height of Key is denoted by h symbol.

How to evaluate Height of Key given Compressive Stress in Key using this online evaluator? To use this online evaluator for Height of Key given Compressive Stress in Key, enter Transmitted Torque by Keyed Shaft (Mt), Diameter of Shaft using Key (ds), Length of Key (l) & Compressive Stress in Key c) and hit the calculate button.

FAQs on Height of Key given Compressive Stress in Key

What is the formula to find Height of Key given Compressive Stress in Key?
The formula of Height of Key given Compressive Stress in Key is expressed as Height of Key = 4*Transmitted Torque by Keyed Shaft/(Diameter of Shaft using Key*Length of Key*Compressive Stress in Key). Here is an example- 4500 = 4*224.5/(0.04498998*0.035*128000000).
How to calculate Height of Key given Compressive Stress in Key?
With Transmitted Torque by Keyed Shaft (Mt), Diameter of Shaft using Key (ds), Length of Key (l) & Compressive Stress in Key c) we can find Height of Key given Compressive Stress in Key using the formula - Height of Key = 4*Transmitted Torque by Keyed Shaft/(Diameter of Shaft using Key*Length of Key*Compressive Stress in Key).
Can the Height of Key given Compressive Stress in Key be negative?
No, the Height of Key given Compressive Stress in Key, measured in Length cannot be negative.
Which unit is used to measure Height of Key given Compressive Stress in Key?
Height of Key given Compressive Stress in Key is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Height of Key given Compressive Stress in Key can be measured.
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